vbsServer

Class UpgradeServer

java.lang.Object

vbsServer.UpgradeServer

All Implemented Interfaces:

java.lang.Runnable

public class UpgradeServer
extends java.lang.Object
implements java.lang.Runnable

The class UpgradeServer is responsible for handling upgrade requests from VBS clients.

It is intended to run in its own thread.

Author:

Tomasz Bujlow (tbu@es.aau.dk)

Field Summary

Fields

Modifier and Type	Field and Description
private static org.apache.log4j.Logger	log Used to log different events.
private java.net.ServerSocket	myServerSocket Socket used by the server to listen to requests from clients.
private java.net.Socket	mySocket Socket used to communicate with a client.
private java.io.File	myUpgradeFolder Folder containing the upgrade file.
private boolean	runFlag The thread will stop when this flag is false.
private java.lang.Thread	upgradeServerThread Thread used by the class.

Constructor Summary

Constructors

Constructor and Description
UpgradeServer(int port, java.lang.String myUpgradeFolderPath) Constructs the class.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isAlive() Checks if the UpgradeServer is alive.
void	run() Runs the thread.
void	start() Starts the thread.
void	stop() Stops the thread.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

private static org.apache.log4j.Logger log

Used to log different events.

upgradeServerThread

private java.lang.Thread upgradeServerThread

Thread used by the class.

myServerSocket

private java.net.ServerSocket myServerSocket

Socket used by the server to listen to requests from clients.

mySocket

private java.net.Socket mySocket

Socket used to communicate with a client.

myUpgradeFolder

private java.io.File myUpgradeFolder

Folder containing the upgrade file.

runFlag

private boolean runFlag

The thread will stop when this flag is false.

Constructor Detail

UpgradeServer

public UpgradeServer(int port,
             java.lang.String myUpgradeFolderPath)
              throws java.io.IOException

Constructs the class.

Parameters:

port - the port on which the server listens to requests from clients

myUpgradeFolderPath - path to the folder containing the upgrade file

Throws:

java.io.IOException - if a communication problem occurs

Method Detail

start

public void start()

Starts the thread.

stop

public void stop()

Stops the thread.

isAlive

public boolean isAlive()

Checks if the UpgradeServer is alive.

Returns:

true if the thread is alive, false otherwise

run

public void run()

Runs the thread. Each client will be handled by a new UpgradeTransmitter.

Specified by:

run in interface java.lang.Runnable